| 1. | In hard water areas, water softening plant may have been considered necessary.
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| 2. | The original uses for nanofiltration were water treatment and in particular water softening.
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| 3. | Water softening is usually achieved using lime softening or ion-exchange resins.
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| 4. | I suppose I ought to invest in industrial grade water softening eqipment !"
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| 5. | The port receives lumber, salt for water softening, automobiles, and steel sheet and plate.
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| 6. | Szima later made a career in the water softening business.
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| 7. | Non-chemical devices are often used in place of traditional water softening for this application.
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| 8. | Elmer Works is labelled a water softening works on the 1935 Ordnance Survey map.
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| 9. | Water softening plants were installed at Helidon and Murphy's Creek, to soften water using lime.
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| 10. | Most modern laundry detergents do not contain phosphates, but bring about water softening using zeolites.
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